From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2E097CD4F3C for ; Mon, 18 May 2026 05:57:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0mY7LD7OyVC2kAtU5ioF76ET8fivrF5JdvHHCOOossY=; b=TEmFKx3Fw7tO1VPhPMmaHFHRKl q3G7wiXn7CxnKW//to3+jWcndBmV6BRz4lQoceyJzunYXkX/Zc3IDCAHoUuCGY4PzxNP3PZZa/F2W gcqdo/7u4MIIVksa+gICTmA/F3R4oxonFYn8WmyMvG2QSlwBObXjE0Fse53n4jSAz1AevcmazIWDu d+OShoFGI79ul4ZDGo3pZ1IZvNqQrM5zoqKxUER51aCvGCFcmHOfcAGJJOlTot/LCsekPDkPjNU0U qFuhO3qfEm1tx569w7inV5yl2oWF49op9ftsz5nQARFaEzE8YOg4rRae+ODTB/E8D3RpGAt1ehiY0 qBKuXLgg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wOqyQ-0000000EMnO-2LYx; Mon, 18 May 2026 05:57:06 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wOqyN-0000000EMmk-2Esb for linux-nvme@lists.infradead.org; Mon, 18 May 2026 05:57:04 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 7F9E268C4E; Mon, 18 May 2026 07:56:59 +0200 (CEST) Date: Mon, 18 May 2026 07:56:59 +0200 From: Christoph Hellwig To: Chao S Cc: Christoph Hellwig , linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, kbusch@kernel.org, sagi@grimberg.me, axboe@kernel.dk, Sungwoo Kim , Dave Tian , Weidong Zhu Subject: Re: [PATCH RFC 1/2] nvme: downgrade WARN in nvme_setup_rw to pr_debug Message-ID: <20260518055659.GC10368@lst.de> References: <20260427003457.1264511-1-coshi036@gmail.com> <20260507054809.GA19796@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260517_225703_714897_0907F9D7 X-CRM114-Status: GOOD ( 12.47 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Sat, May 16, 2026 at 11:54:49PM -0400, Chao S wrote: > On Thu, May 07, 2026 at 07:48:09AM +0200, Christoph Hellwig wrote: > > What is "semantic mutation of Identify Namespace responses" [...] > > The emulated controller returns a mutated Identify Namespace on > rescan (flbas META_EXT, lbaf.ms != 0, dps == 0) -- the host-unaware What does "mutated" mean here?